Base | Representation |
---|---|
bin | 1011111011110001001100… |
… | …0010001100000110110110 |
3 | 1201110101202000121210121001 |
4 | 2332330103002030012312 |
5 | 3204440204233232022 |
6 | 43523524112113514 |
7 | 2522664424255630 |
oct | 276742302140666 |
9 | 51411660553531 |
10 | 13121444430262 |
11 | 41a985633a733 |
12 | 157b03523589a |
13 | 7424681a943c |
14 | 33511d127a50 |
15 | 17b4bb35bb27 |
hex | bef1308c1b6 |
13121444430262 has 64 divisors (see below), whose sum is σ = 22685134233600. Its totient is φ = 5575813762176.
The previous prime is 13121444430233. The next prime is 13121444430277. The reversal of 13121444430262 is 26203444412131.
It is a happy number.
13121444430262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4256062173 + ... + 4256065255.
It is an arithmetic number, because the mean of its divisors is an integer number (354455222400).
Almost surely, 213121444430262 is an apocalyptic number.
13121444430262 is a deficient number, since it is larger than the sum of its proper divisors (9563689803338).
13121444430262 is a wasteful number, since it uses less digits than its factorization.
13121444430262 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6205.
The product of its (nonzero) digits is 110592, while the sum is 37.
Adding to 13121444430262 its reverse (26203444412131), we get a palindrome (39324888842393).
The spelling of 13121444430262 in words is "thirteen trillion, one hundred twenty-one billion, four hundred forty-four million, four hundred thirty thousand, two hundred sixty-two".
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